Login into Flavor CRM.
Click on Classes from the left sidebar.
It will take you to Classes list. Select a Class from the list of classes.
Class details page will open. Scroll down and click on Update Schedule Icon.
It will navigate to Update Schedule page. Click on any schedules that you want to update. Set Date from Date picker tool and other details as per the need.
After entering all the required fields, Click on Reschedule button.